001: /* ========================================================================
002: * JCommon : a free general purpose class library for the Java(tm) platform
003: * ========================================================================
004: *
005: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006: *
007: * Project Info: http://www.jfree.org/jcommon/index.html
008: *
009: * This library is free software; you can redistribute it and/or modify it
010: * under the terms of the GNU Lesser General Public License as published by
011: * the Free Software Foundation; either version 2.1 of the License, or
012: * (at your option) any later version.
013: *
014: * This library is distributed in the hope that it will be useful, but
015: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017: * License for more details.
018: *
019: * You should have received a copy of the GNU Lesser General Public
020: * License along with this library; if not, write to the Free Software
021: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022: * USA.
023: *
024: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025: * in the United States and other countries.]
026: *
027: * ------------------
028: * SortableTable.java
029: * ------------------
030: * (C) Copyright 2000-2004, by Object Refinery Limited.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: SortableTable.java,v 1.5 2005/11/16 15:58:41 taqua Exp $
036: *
037: * Changes (from 26-Oct-2001)
038: * --------------------------
039: * 26-Oct-2001 : Changed package to com.jrefinery.ui.*;
040: * 14-Oct-2002 : Fixed errors reported by Checkstyle (DG);
041: *
042: */
043:
044: package org.jfree.ui;
045:
046: import javax.swing.JTable;
047: import javax.swing.table.JTableHeader;
048: import javax.swing.table.TableColumnModel;
049:
050: /**
051: * A simple extension of JTable that supports the use of a SortableTableModel.
052: *
053: * @author David Gilbert
054: */
055: public class SortableTable extends JTable {
056:
057: /** A listener for sorting. */
058: private SortableTableHeaderListener headerListener;
059:
060: /**
061: * Standard constructor - builds a table for the specified model.
062: *
063: * @param model the data.
064: */
065: public SortableTable(final SortableTableModel model) {
066:
067: super (model);
068:
069: final SortButtonRenderer renderer = new SortButtonRenderer();
070: final TableColumnModel cm = getColumnModel();
071: for (int i = 0; i < cm.getColumnCount(); i++) {
072: cm.getColumn(i).setHeaderRenderer(renderer);
073: }
074:
075: final JTableHeader header = getTableHeader();
076: this .headerListener = new SortableTableHeaderListener(model,
077: renderer);
078: header.addMouseListener(this .headerListener);
079: header.addMouseMotionListener(this .headerListener);
080:
081: model.sortByColumn(0, true);
082:
083: }
084:
085: /**
086: * Changes the model for the table. Takes care of updating the header listener at the
087: * same time.
088: *
089: * @param model the table model.
090: *
091: */
092: public void setSortableModel(final SortableTableModel model) {
093:
094: super .setModel(model);
095: this .headerListener.setTableModel(model);
096: final SortButtonRenderer renderer = new SortButtonRenderer();
097: final TableColumnModel cm = getColumnModel();
098: for (int i = 0; i < cm.getColumnCount(); i++) {
099: cm.getColumn(i).setHeaderRenderer(renderer);
100: }
101: model.sortByColumn(0, true);
102:
103: }
104:
105: }
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